EP4171178B1 - Dispositif d'éclairage toujours allumé à plusieurs régulateurs de puissance et procédé de commande associé - Google Patents

Dispositif d'éclairage toujours allumé à plusieurs régulateurs de puissance et procédé de commande associé

Info

Publication number
EP4171178B1
EP4171178B1 EP22162868.8A EP22162868A EP4171178B1 EP 4171178 B1 EP4171178 B1 EP 4171178B1 EP 22162868 A EP22162868 A EP 22162868A EP 4171178 B1 EP4171178 B1 EP 4171178B1
Authority
EP
European Patent Office
Prior art keywords
power controller
light intensity
light source
time period
predetermined time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP22162868.8A
Other languages
German (de)
English (en)
Other versions
EP4171178A1 (fr
EP4171178C0 (fr
Inventor
Fuxing Lu
Rongtu Liu
Hao YE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen PVTech Co Ltd
Original Assignee
Xiamen PVTech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen PVTech Co Ltd filed Critical Xiamen PVTech Co Ltd
Publication of EP4171178A1 publication Critical patent/EP4171178A1/fr
Application granted granted Critical
Publication of EP4171178C0 publication Critical patent/EP4171178C0/fr
Publication of EP4171178B1 publication Critical patent/EP4171178B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/18—Controlling the intensity of the light using temperature feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/28—Circuit arrangements for protecting against abnormal temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present invention is related to an always-on lighting device having multiple power controllers.
  • the always-on lighting device according to the present invention has the features of claim 1. Further embodiments are subject-matter of the claims dependent on claim 1.
  • the always-on lighting device includes a first power controller, a first light source, a second power controller and a second light source.
  • the first power controller and the second power controller execute an alternate mode. In the alternate mode, the first power controller keeps the first light source in on state within a predetermined time period. Then, the first power controller turns off the first light source after the predetermine time period passes and transmits a control signal to the second power controller, such that the second power controller keeps the second light source in on state within the predetermined time period.
  • the first power controller further includes a first temperature detection module.
  • the first power controller further includes a first light intensity detection module.
  • the first light intensity detection module detects that the ambient light intensity is within a first light intensity range
  • the first power controller reduces a brightness of the first light source.
  • the first power controller increases the brightness of the first light source.
  • the first power controller executes the alternate mode.
  • the first power controller performs a master control mode in order to keeps the first light source in the on state within the predetermined time period and simultaneously transmits the control signal to the second power controller for the second power controller to keep the second light source in the on state within the predetermined time period.
  • the present invention is further related to a control method for an always-on lighting device having multiple power controllers.
  • the control method according to the present invention comprises the features of claim 5. Further embodiments are subject-matter of the claims dependent on claim 5.
  • the control method includes the follow steps: performing an alternate mode by a first power controller and a second power controller; keeping a first light source in an on state withing a predetermined time period by the first power controller; turning off the first light source and transmitting a control signal to the second power controller by the first power controller after the predetermined time period passes; and keeping a second light source in the on state within the predetermined time period by the second power controller.
  • the control method further includes the following steps: adjusting the alternate mode to turn off the first light source by the first power controller when the first temperature detection module detects that the change rate of the operating temperature of the first light source or the first power controller exceeds a change rate threshold within the predetermined time period; and transmitting the control signal to the second power controller by the first power controller, such that the second power controller keeps the second light source in the on state within the predetermined time period.
  • control method further includes the following steps: adjusting the alternate mode to turn off the first light source by the first power controller when a first temperature detection module detects that the environmental temperature exceeds a temperature threshold within the predetermined time period; and transmitting the control signal to the second power controller by the first power controller, such that the second power controller keeps the second light source in the on state within the predetermined time period.
  • control method further includes the following steps: reducing the brightness of the first light source by the first power controller when a first light intensity detection module detects that the ambient light intensity is within a first light intensity range; and increasing the brightness of the first light source by the first power controller when the first light intensity detection module detects that the ambient light intensity is within a second light intensity range.
  • control method further includes the following steps: executing the alternate mode by the first power controller when a first light intensity detection module detects that the ambient light intensity is within the first light intensity range; performing a master control mode by the first power controller when the first light intensity detection module detects that the ambient light intensity is within the second light intensity range; and keeping, in the master control mode, the first light source in the on state within the predetermined time period and simultaneously transmiting the control signal to the second power controller by the first power controller, such that the second power controller keeps the second light source in the on state within the predetermined time period.
  • the always-on lighting device having multiple power controllers and the method thereof according to the embodiments of the present invention may have the following advantages:
  • the always-on lighting device has a plurality of power controllers and light sources.
  • the always-on lighting device can perform an alternate mode to turn on these light sources by turns, so the always-on lighting device can effectively extend the service lives of these light sources.
  • the always-on lighting device has a plurality of power controllers and light sources. Besides, the lighting device can execute the alternate mode and properly adjust the alternate mode according to the changes of the environmental factors. Thus, the light sources do not tend to be damaged due to the environmental factors, so the lighting device can be in always-on state for a long period of time in order to satisfy the requirements of various buildings.
  • the always-on lighting device has a plurality of power controllers and light sources. Besides, the lighting device can appropriately be switched between the master control mode and the alternate mode, or dynamically adjust the brightness of the light sources. Therefore, the lighting device can not only save more energy, but also can meet actual requirements better.
  • FIG. 1 is a block diagram of an always-on lighting device in accordance with one embodiment of the present invention.
  • FIG. 2 is a block diagram of a first power controller of the always-on lighting device in accordance with one embodiment of the present invention.
  • the always-on lighting device 1 is connected to a power source P (e.g., power grid).
  • the always-on lighting device 1 includes a first power controller 11A, a second power controller 11B, a third power controller 11C, a plurality of first light sources 12A, a plurality of second light sources 12B and a plurality of third light sources 12C.
  • the first power controller 11A are connected to the first light sources 12A.
  • the second power controller 11B are connected to the second light sources 12B.
  • the third power controller 11C are connected to the third light sources 12C.
  • the first light sources 12A, the second light sources 12B and the third light sources 12C may be, but not limited to, light-emitting diode (LED) lamp tubes; in another embodiment, the first light sources 12A, the second light sources 12B and the third light sources 12C may be fluorescent lamp tubes, bulbs or other currently available light sources.
  • LED light-emitting diode
  • the first power controller 11A includes a first control module 111, a plurality of first temperature detection modules 112-1, 112-2, 112-3, a first light intensity detection module 113 and a first driver module 114.
  • the first control module 111 is connected to the power source P and powered by the power source P. Besides, the first control module 111 is further connected to the first temperature detection modules 112-1, 112-2, 112-3, the first light intensity detection module 113 and the first driver module 114 in order to control these modules.
  • the first control module 111 may be a microcontroller (MCU), a central processing unit (CPU) or other similar components.
  • the first temperature detection modules 112-1, 112-2, 112-3 detect the operating temperatures of the first light sources 12A and/or the first power controller 11A (or any one of the components thereof) respectively.
  • the first temperature detection modules 112-1, 112-2, 112-3 may be temperature sensors, chips having temperature detection function or other similar components.
  • the first light intensity detection module 113 detects the ambient light intensity.
  • the first light intensity detection module 113 may be an illuminance transducer, an ambient light sensor or other similar components.
  • the first driver module 114 is connected to the power source P and powered by the power source P.
  • the first driver module 114 is further connected to the first light sources 12A.
  • the first driver module 114 is a driver corresponding to the first light sources 12A in order to driver the first light sources 12A.
  • the first power controller 11A, the second power controller 11B and the third power controller 11C execute an alternate mode.
  • the first power controller 11A keeps the first light sources 12A withing a predetermined time period.
  • the first power controller 11A turns off the first light sources 12A and transmits a control signal to the second power controller 11B.
  • the predetermined time period can be adjusted according to actual requirements (for example, the predetermined time period may be, but not limited to, 4 hours, 6 hours, 8 hours, etc.) with a view to increase the service lives of the first power controller 11A and the first light sources 12A.
  • the second power controller 11B After the second power controller 11B receives the control signal transmitted by the first power controller 11A, the second power controller 11B keeps the second light sources 12B in on state within the predetermined time period. After the predetermined time period passes, the second power controller 11B turns off the second light sources 12B and transmits the control signal to the third power controller 11C.
  • the third power controller 11C receives the control signal transmitted by the second power controller 11B
  • the third power controller 11C keeps the third light sources 12C in on state within the predetermined time period.
  • the third power controller 11C turns off the third light sources 12C and transmits the control signal to the first power controller 11A.
  • the first power controller 11A, the second power controller 11B and the third power controller 11C can turn on the first light sources 12A, the second light sources 12B and the third light sources 12C by turns, such that the lighting device 1 can be always in on state.
  • the first power controller 11A adjusts the alternate mode. In this case, the first power controller 11A can turn off the first light sources 12A in order to prematurely turn off the first light sources 12A and transmit the control signal to the second power controller 11B. Meanwhile, the second power controller 11B keeps the second light sources 12B in on state within the predetermined timer period. Similarly, the second power controller 11B and the third power controller 11C can also perform the above mechanism.
  • the above temperature threshold can be adjusted according to actual requirements so as to increase the service lives of the first power controller 11A and the first light sources 12A.
  • the operating temperatures of the first light sources 12A and the first power controller 11A (or the components thereof) may be influenced by the environmental factors (e.g., weather, sunlight, etc.). This mechanism can effectively reduce the influences due to the environmental factors in order to prevent the first light sources 12A and the first power controller 11A from be damaged due to overheating.
  • the first power controller 11A determines that a fault condition occurs. At this moment, the first power controller 11A turns off the first light sources 12A to prematurely terminate the on state of the first light sources 12A. Meanwhile, the first power controller 11A transmits the control signal to the second power controller 11B, such that the second power controller 11B keeps the second light sources 12B in on state withing the predetermined time period. Similarly, when the second light sources 12B and the third light sources 12C are in on state, the second power controller 11B and the third power controller 11C can also execute the above-mentioned mechanism.
  • the change rate threshold can be set and adjusted according to actual requirements with a view to extend the service lives of the second power controller 11B, the third power controller 11C, the second light sources 12B and the third light sources 12C.
  • the first power controller 11A turns off the first light sources 11A, and simultaneously transmits the control signal to the second power controller 11B and the third power controller 11C, such that the second power controller 11B and the third power controller 11C keep the second light sources 12B and the third light sources 12C in on state within the predetermined time period.
  • the first power controller 11A turns on the first light sources 11A and keeps the first light sources 11A in on state within the predetermined time period.
  • the first power controller 11A keeps the first light sources 12A in on state within the predetermined time period, and simultaneously transmits the control signal to the second power controller 11B and the third power controller 11C, such that the second power controller 11B turns on the second light sources 12B and keeps the second light sources 12B in on state within the predetermined timer period, and the third power controller 11C turns off the third light sources 12C.
  • the first power controller 11A serves as the master controller in the master control mode and keeps repeating the above steps, such that the always-on lighting device 1 can turn on more light sources when the ambient light intensity is within the second light intensity range (e.g., in night).
  • FIG. 3 is a flow chart of a control method for the always-on lighting device in accordance with one embodiment of the present invention. As shown in FIG. 3 , the control method for the always-on lighting device in accordance with the embodiment includes the following steps:
  • the always-on lighting device has a plurality of power controllers and light sources.
  • the always-on lighting device can perform an alternate mode to turn on these light sources by turns, so the always-on lighting device can effectively extend the service lives of these light sources.
  • the always-on lighting device has a plurality of power controllers and light sources. Besides, the lighting device can execute the alternate mode and properly adjust the alternate mode according to the changes of the environmental factors. Thus, the light sources do not tend to be damaged due to the environmental factors, so the lighting device can be in always-on state for a long period of time in order to satisfy the requirements of various buildings.
  • the always-on lighting device has a plurality of power controllers and light sources. Besides, the lighting device can appropriately be switched between the master control mode and the alternate mode, or dynamically adjust the brightness of the light sources. Therefore, the lighting device can not only save more energy, but also can meet actual requirements better.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (8)

  1. Dispositif d'éclairage toujours allumé (1) présentant de multiples dispositifs de commande d'alimentation, comprenant :
    un premier dispositif de commande d'alimentation (11A) ;
    une première source de lumière (12A), connectée au premier dispositif de commande d'alimentation (11A) ;
    un second dispositif de commande d'alimentation (11B) ; et
    une seconde source de lumière (12B), connectée au second dispositif de commande d'alimentation (11B),
    dans lequel le premier dispositif de commande d'alimentation (11A) et le second dispositif de commande d'alimentation (11B) sont configurés pour exécuter un mode alternatif, dans lequel le premier dispositif de commande d'alimentation (11A) est configuré pour maintenir la première source de lumière (12A) dans un état allumé pendant une période de temps prédéterminée, et pour éteindre la première source de lumière (12A) après l'expiration de la période de temps prédéterminée et pour transmettre simultanément un signal de commande au second dispositif de commande d'alimentation (11B), de telle sorte que
    le second dispositif de commande d'alimentation (11B) allume et maintienne dans l'état allumé la seconde source de lumière (12B) pendant la période de temps prédéterminée grâce au signal de commande, caractérisé en ce que
    le premier dispositif de commande d'alimentation (11A) comprend en outre un premier module de détection de température (112-1, 112-2, 112-3), dans lequel le premier dispositif de commande d'alimentation (11A) sert à ce que, lorsque le premier module de détection de température (112-1, 112-2, 112-3) détecte qu'une vitesse de changement d'une température de fonctionnement de la première source de lumière (12A) ou du premier dispositif de commande d'alimentation (11A) dépasse un seuil de vitesse de changement pendant la période de temps prédéterminée, le premier dispositif de commande d'alimentation (11A) sert à ajuster le mode alternatif de manière à éteindre la première source de lumière (12A) et à transmettre le signal de commande au second dispositif de commande d'alimentation (11B), de telle sorte que
    le second dispositif de commande d'alimentation (11B) allume et maintienne dans l'état allumé la seconde source de lumière (12B) pendant la période de temps prédéterminée.
  2. Dispositif d'éclairage toujours allumé (1) présentant de multiples dispositifs de commande d'alimentation selon la revendication 1, dans lequel lorsque le premier module de détection de température (112-1, 112-2, 112-3) détecte qu'une température environnante dépasse un seuil de température pendant la période de temps prédéterminée, le premier dispositif de commande d'alimentation (11A) est configuré pour ajuster le mode alternatif de manière à éteindre la première source de lumière (12A) et transmettre le signal de commande au second dispositif de commande d'alimentation (11B), de telle sorte que le second dispositif de commande d'alimentation (11B) allume et maintienne dans l'état allumé la seconde source de lumière (12B) pendant la période de temps prédéterminée grâce au signal de commande.
  3. Dispositif d'éclairage toujours allumé (1) présentant de multiples dispositifs de commande d'alimentation selon la revendication 1, dans lequel le premier dispositif de commande d'alimentation (11A) comprend en outre un premier module de détection d'intensité lumineuse (113), dans lequel lorsque le premier module de détection d'intensité lumineuse (113) détecte qu'une intensité lumineuse ambiante est dans une première plage d'intensité lumineuse, le premier dispositif de commande d'alimentation (11A) est configuré pour réduire une luminosité de la première source de lumière (12A), dans lequel lorsque le premier module de détection d'intensité lumineuse (113) détecte que l'intensité lumineuse ambiante est dans une seconde plage d'intensité lumineuse, le premier dispositif de commande d'alimentation (11A) est configuré pour augmenter la luminosité de la première source de lumière (12A).
  4. Dispositif d'éclairage toujours allumé (1) présentant de multiples dispositifs de commande d'alimentation selon la revendication 1, dans lequel le premier dispositif de commande d'alimentation (11A) comprend en outre un premier module de détection d'intensité lumineuse (113), dans lequel lorsque le premier module de détection d'intensité lumineuse (113) détecte qu'une intensité lumineuse ambiante est dans une première plage d'intensité lumineuse, le premier dispositif de commande d'alimentation (11A) est configuré pour exécuter le mode alternatif, dans lequel
    lorsque le premier module de détection d'intensité lumineuse (113) détecte que l'intensité lumineuse ambiante est dans une seconde plage d'intensité lumineuse, le premier dispositif de commande d'alimentation (11A) sert à mettre en œuvre un mode de commande maître afin de maintenir la première source de lumière (12A) dans l'état allumé pendant la période de temps prédéterminée et de transmettre simultanément le signal de commande au second dispositif de commande d'alimentation (11B) pour que le second dispositif de commande d'alimentation (11B) allume et maintienne dans l'état allumé la seconde source de lumière (12B) pendant la période de temps prédéterminée.
  5. Procédé de commande pour un dispositif d'éclairage toujours allumé (1) présentant de multiples dispositifs de commande d'alimentation, comprenant :
    la mise en œuvre d'un mode alternatif par un premier dispositif de commande d'alimentation (11A) et un second dispositif de commande d'alimentation (11B) ;
    le maintien d'une première source de lumière (12A) dans un état allumé pendant une période de temps prédéterminée par le premier dispositif de commande d'alimentation (11A) ;
    l'extinction de la première source de lumière (12A) et la transmission d'un signal de commande au second dispositif de commande d'alimentation (11B) par le premier dispositif de commande d'alimentation (11A) après l'expiration de la période de temps prédéterminée, de telle sorte que le second dispositif de commande d'alimentation (11B) allume et maintienne dans l'état allumé une seconde source de lumière (12B) pendant la période de temps prédéterminée
    caractérisé par
    l'ajustement du mode alternatif pour éteindre la première source de lumière (12A) par le premier dispositif de commande d'alimentation (11A) lorsqu'un premier module de détection de température (113) détecte qu'une vitesse de changement d'une température de fonctionnement de la première source de lumière (12A) ou du premier dispositif de commande d'alimentation (11A) dépasse un seuil de vitesse de changement pendant la période de temps prédéterminée ; et
    la transmission du signal de commande au second dispositif de commande d'alimentation (11B) par le premier dispositif de commande d'alimentation (11A), de telle sorte que le second dispositif de commande d'alimentation (11B) allume et maintienne dans l'état allumé la seconde source de lumière (12B) pendant la période de temps prédéterminée.
  6. Procédé de commande pour le dispositif d'éclairage toujours allumé (1) présentant de multiples dispositifs de commande d'alimentation selon la revendication 6, comprenant en outre :
    l'ajustement du mode alternatif pour éteindre la première source de lumière (12A) par le premier dispositif de commande d'alimentation (11A) lorsque le premier module de détection de température (113) détecte qu'une température environnante dépasse un seuil de température pendant la période de temps prédéterminée ; et
    la transmission du signal de commande au second dispositif de commande d'alimentation (11B) par le premier dispositif de commande d'alimentation (11A), de telle sorte que le second dispositif de commande d'alimentation (11B) allume et maintienne dans l'état allumé la seconde source de lumière (12B) pendant la période de temps prédéterminée.
  7. Procédé de commande pour le dispositif d'éclairage toujours allumé (1) présentant de multiples dispositifs de commande d'alimentation selon la revendication 5, comprenant en outre :
    la réduction d'une luminosité de la première source de lumière par le premier dispositif de commande d'alimentation (11A) lorsqu'un premier module de détection d'intensité lumineuse (113) détecte qu'une intensité lumineuse ambiante est dans une première plage d'intensité lumineuse ; et
    l'augmentation de la luminosité de la première source de lumière (12A) par le premier dispositif de commande d'alimentation (11A) lorsque le premier module de détection d'intensité lumineuse (113) détecte que l'intensité lumineuse ambiante est dans une seconde plage d'intensité lumineuse.
  8. Procédé de commande pour le dispositif d'éclairage toujours allumé (1) présentant de multiples dispositifs de commande d'alimentation selon la revendication 5, comprenant en outre :
    l'exécution du mode alternatif par le premier dispositif de commande d'alimentation (11A) lorsqu'un premier module de détection d'intensité lumineuse (113) détecte qu'une intensité lumineuse ambiante est dans une première plage d'intensité lumineuse ;
    la mise en œuvre d'un mode de commande maître par le premier dispositif de commande d'alimentation (11A) lorsque le premier module de détection d'intensité lumineuse (113) détecte que l'intensité lumineuse ambiante est dans une seconde plage d'intensité lumineuse ; et
    le maintien, dans le mode de commande maître, de la première source de lumière (12B) dans l'état allumé pendant la période de temps prédéterminée et la transmission simultanée du signal de commande au second dispositif de commande d'alimentation (11B) par le premier dispositif de commande d'alimentation (11A), de telle sorte que le second dispositif de commande d'alimentation (11B) allume et maintienne dans l'état allumé la seconde source de lumière (12B) pendant la période de temps prédéterminée.
EP22162868.8A 2021-10-19 2022-03-18 Dispositif d'éclairage toujours allumé à plusieurs régulateurs de puissance et procédé de commande associé Active EP4171178B1 (fr)

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JP2002184587A (ja) 2000-12-11 2002-06-28 Kajima Corp 照明器具の点灯方法及び照明装置
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